Is she at ear her?变否定句

Is she at ear her?变否定句 Is she at ear her?用变一般疑问句 she does her homework at school.(变否定句） she ___ ____ her home I think she is at home 变否定句 英语否定句he konws she is wrong,but he defends her.变否定句.求求各位亲,帮帮· 英语she helped her mother yesterday 【变否定句】 she is my sister.变否定句怎么变 she does her homework at home 该否定句 She does her homework at home.(改为否定句） She does homework at school.变否定句 She agrees with her father (变否定句） She --- --- with her fathe she is her sister的否定句,一般疑问句,肯定否定回答,变复数,划线提问是什么?划线是her sister